用正则表达式匹配如下html代码中的 show.jsp?txt_arcid=3304
<td width="84%" class="bbk"><img src="Images/arrow_003.gif" width="9" height="9"> <a href="show.jsp?txt_arcid=3304" target="_blank"> 电子图书采购公告</a></td>
我写成:<a href="(?<RESULT>[\s\S]*?)" target="_blank"> 这样为什么获取不到啊?
<td width="84%" class="bbk"><img src="Images/arrow_003.gif" width="9" height="9"> <a href="show.jsp?txt_arcid=3304" target="_blank"> 电子图书采购公告</a></td>
我写成:<a href="(?<RESULT>[\s\S]*?)" target="_blank"> 这样为什么获取不到啊?
Regex reg = new Regex(@"(?is)(?<=<a\s+href="")[^'""\s>]+(?=""[^>]*>)");
MatchCollection mc = reg.Matches(yourStr);
foreach (Match m in mc)
{
richTextBox2.Text += m.Value + "\n";
}
//如果考虑复杂点的情况
Regex reg = new Regex(@"(?is)(?<=<a\b(?:(?!href=).)*href=(['""]?))[^'""\s>]+(?=\1[^>]*>)");
MatchCollection mc = reg.Matches(yourStr);
foreach (Match m in mc)
{
richTextBox2.Text += m.Value + "\n";
}